Privilege icons are not shown on the help/privilege and help/privilege/{privilegeName} pages.
There should be icons like this moderation privilege icon:
When inspecting the code on the privilege page, the icon related code was there but the icon is not applied on the page:
The issue exists on all Stack Exchange sites.
Configuration:
OS: Windows 7
Mozilla Firefox : 59.0b5 (64-bit)
Google Chrome: Version 63.0.3239.132 (Official Build) (64-bit)
